12 Days of Christmas
399
Abundant Numbers
609
Abundant Numbers (Long)
670
Arithmetic Numbers
650
Collatz
744
Divisors
844
Emojify
417
Fibonacci
625928934
Fizz Buzz
569
848
Foo Fizz Buzz Bar
714
ISBN
583
Niven Numbers
771
Niven Numbers (Long)
840
Pangram Grep
724719
Tongue-twisters
378
Vampire Numbers
69
π
56